Bank of America Corporation Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entering Payment Default That Were Modified During the Preceding 12 Months (Details) - Consumer real estate - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 40	$ 33	$ 104	$ 101
Modifications under government programs
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	1	6	3	14
Modifications under proprietary programs
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	35	8	80	27
Loans discharged in Chapter 7 bankruptcy
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	1	4	6	15
Trial modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings entering payment default that were modified during the preceding twelve months	$ 3	$ 15	$ 15	$ 45